Middle C r r
ao TD
g ®
(^2) °o
®
zs 5 30F 4
3 20}^4
a 10 4
0 1 1 : A
0 500 1000 1500 2000 2500 3000
40 : $
0 500 1000 §=6 1500» 2000S 2500 »=— 3000
Frequency (Hz)
Figure 15.9. Fourier analysis of different notes played on the piano: middle C,
E, G, and C (one octave above middle C).
The middle ear consists of a cavity occupied by three small inter-